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Stack #221103

Cubangbang's 8th Ch. 14 Minerals and Ores Stack #221103

What evidence do we have that God intends humans to mine for minerals in the earth? Job 28
What are naturally occuring, inorganic, crystalline solid with a definite chemical composition? minerals
What are minerals that come from living things called? organic minerals
a rock containing one or more minerals that are the source of elements or compounds important to industry or agriculture ores
What happened to the mineral deposits that were originally created in the earth? The Great Flood
A substance composed of one kind of atom, that is, atoms having the same number of protons in their nuclei Elements
A mineral that contains only one kind of atom and is therefore a pure element Native Mineral
A substance formed from two or more elements combined in a fixed ratio characteristic for that compound Compound
Two or more substances mixed together but not chemically combined Mixture
Geologists who specialize in identifying minerals mineralogists
Geologists begin to identify a spesimen by observing its... Color
A mineral identification test made by rubbing a specimen across an unglazed porcelain tile and observing the color of the powdered mineral that remains Streak
The quality and intensity of light reflected from the mineral's surface Luster
A method used to identify the specimens crystal shape and growth Crystal shape and growth
The growth or enlargement of a crystal by the attachment of additional particles from a soultion or melt accretion
A property of certain minerals that allows them to split easily along certain preferred planes Cleavage
The characteristic manner in which a mineral breaks when it does not exhibit cleavage Fractures
A comparsion of the ability of one substance to scratch or be scratched by another, resulting in a numerical rating from 1 to 10 on the Mohs hardness scale Hardness Test
A scale from 1 to 10 for classifying minerals according to their relative hardness Mohs scale
A ratio of the mass of a mineral to that of an equal volume of water specific gravity
A means of identifying the presence of certain elements in a mineral by observing the mineral's color when heated in a flame Flame Test
A method for identifying certain minerals by nothing the presence or absence of effervescence of a gas when a mineral is exposed to dilute acids Acid Test
An identifying property of certain minerals whereby they they are able to attract iron. Magnetism
A magnetic mineral called magnetite that was once used as the magnetic element in navigation compasses lodestone
The rate at which nuclear particles and rays are emmited by a radioactive substance Radioactivity
A visable glow given off by some minerals when they absorb high-energy but invisable ultraviolet light Luminescence
The blending of a wave when it changes speed because the material through which it is moving changes in some way Refraction
The process in which light waves are filtered so that they vibrate in only one direction when they exit the filter polarization
A percious, dense, yellow metal that often occurs as a native mineral in the form of viens or placer deposit gold
A deposit consisting of fine flecks of gold or other dense native minerals eroded out of the parent rocks placer deposits
A method for separating placer gold from the sand and gravel in which it is found panning
a method of mechanically processing ores in order to extract dense metals by flowing crust rock mixed with water down a long, ridged trough sluicing
A method of underwater mining where mineral placer deposits are scooped oof river or lake beds by floating machinery and mechanically processed to remove valuable minerals dredging
A precious, metallic, native mineral with a specific gravity of 10.5 Silver
A common metal aften found as a native mineral and used in many applications because it conducts both electricity and heat very well Copper
A percious, white-silver, metallic, native mineral with a specific gravity of 21.5, denser than gold Platinum
A native mineral compound of pure inorganic carbon. diamond
Cylindrical bodies of volcanic breccia in the necks of extinct volcanoes where diamonds are somethimes found diamond pipes
A unit of weight (actually mass) for gem stones equal to 0.2 grams carat
a nonmetallic, native mineral consisting of the pure element sulfur, which is identified by its yellow color and conchoidal fracture sulfur
A method of mining sulfur in which extremely hot water is pumped into the deposit, melting the sulfur so it can be forced to the surface by compressed air Frasch process
Class of minerals that contains mainly silicon and oxygen along with minor amounts of other elements silicates
A nonsilicate mineral composed of oxygen and some other element, usually a metal oxides
Compound composed of one or more elements and sulfur sulfides
A class of minerals that contain the carbonate ion, which consists of a carbon atom and three oxygen atoms bonded together Carbonates
Created by: kaikerrk